ELISA analysis showed that the highest amount of LTB protein detected in transgenic centella leaves was about 0.8% of the total soluble protein. GM1-ELISA assay indicated that plant LTB protein bound specifically to GM1-ganglioside, suggesting that the LTB subunits formed active pentamers. CONCLUSION The s-ltb gene that was successfully transformated into centella plants by biolistic method has produced a relatively high amount of plant LTB protein in the pentameric quaternary structure that has GM1-ganglioside binding affinity, a receptor on the intestinal epithelial membrane. Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.The plant, Astilboides tabularis (Hemsl.) Engler, is used in Chinese and Korean medicine to regulate blood sugar levels; however, little is known about its precise effects. In this study, we aimed to measure the composition as well as the antioxidant, and anti-proliferative capacities of A. tabularis. Various extracts were generated using different organic solvents, and in vitro antioxidant activities were evaluated using DPPH free radical-scavenging and reducing power assays. The extracts were also evaluated based on their ability to inhibit lipopolysaccharide (LPS)-induced nitric oxide (NO) production in RAW 264.7 cells. Research shows that the A. tabularis ethyl acetate (EtOAc) extract showed significant antioxidant activity. Additionally, this extract could inhibit the LPS-induced expression of inflammatory mediators and pro-inflammatory cytokines in RAW 264.7 cells, including inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and interleukin-1 beta (IL-1ß). Notably, the A. tabularis EtOAc extract also displayed potent cytotoxic effects against MCF-7 and HeLa cancer cell lines, as determined by MTT assays. Lastly, total phenol and flavonoid content was measured for all extracts, and four flavonoid compounds-catechin, kaempferol, quercitrin, and isoquercetin were isolated from the EtOAc extract. Their structures were confirmed using mass spectrometry and nuclear magnetic resonance, and these isolated compounds were found to display potent DPPH free radical-scavenging activity. Thus, our data suggest that phenolic compounds in A. tabularis extracts promote antioxidant activity, and furthermore, these extracts display numerous features that suggest potential for therapeutic development. Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.Cancer cells are altered with cell cycle genes or they are mutated that lead to high rate of proliferation compared to normal cells. Alteration in these genes lead to mitosis dysregulation and becomes the very bases tumour progression and resistance to many drugs. https://www.selleckchem.com/products/740-y-p-pdgfr-740y-p.html The drugs which act on the cell cycle fails to arrest the process, making a cancer cell non responsive to apoptosis or cell death. Vinca alkaloids and taxanes falls in this category and referred as antimitotic agents. Microtubule proteins plays important role in mitosis during cell division a target site for Vinca alkaloids and taxanes. These proteins are dynamic in nature and are composed of α-β-tubulin heterodimers. β - tubulin specially βΙΙΙ isotype is generally altered in expression within cancerous cells. Initially these drugs were very effective in treatment of cancer but fails to show their desired action after initial chemotherapy. The present review highlights some of the important targets and their mechanism of resistance offered by cancer cells with new promising drugs from natural sources that can give the lead for the development new approach to chemotherapy. Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.BACKGROUND Tuberculosis is a disease with high incidence and high mortality rate, especially in Brazil. Although there are several medications available for treatment, in cases of resistance, there is a need to use more than one medication. OBJECTIVE Therefore, cases of toxicity increase and reports of resistance have been worrying the population. In addition, some medications have a short period of effectiveness. To achieve the goal, ligand-based and structure-based approaches were used. METHOD Thus, in an attempt to discover potent inhibitors against Mycobacterium tuberculosis enzymes, we sought to identify natural products with high therapeutic potential for the treatment of Tuberculosis through QSAR, Molecular Modeling and ADMET studies. RESULTS The results showed that the models generated from two sets of molecules with known activity against M. tuberculosis enzymes InhA and PS were able to select 11 and 8 compounds respectively, between Lignans and Neolignans with 50 to 60% activity probability. In addition, molecular docking contributed to confirm the mechanism of action of compounds and increase the accuracy of methodologies. All molecules showed higher binding energy values for the drug Isoniazid. We conclude that compounds 33, 34, 110, 114, 133 are promising for InhA target and compounds 07, 08, 19, 21, 42, 48, 75 and 141 for target PS. In addition, most molecules did not show any toxicity according to the evaluated parameters. CONCLUSIONS Therefore, Lignans and Neolignans may be an alternative for the treatment of Tuberculosis. Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.The therapeutic range of cyclic nucleotide phosphodiesterase 5 inhibitors (PDE5) inhibitors is getting wider in the last years. This review study focuses on the potential employment of PDE5 inhibitors as an adjunct tool for the therapeutic management of male infertility. The literature tends to suggest a beneficial effect of PDE5 inhibitors on Leydig and Sertoli cells secretory function. It also appears that PDE5 inhibitors play a role in the regulation of the contractility of the testicular tunica albuginea and the epididymis. Moreover scientific data suggest that PDE5 inhibitors enhance the prostatic secretory function leading to an improvement in sperm motility. Other studies additionally demonstrate a role of PDE5 inhibitors in the regulation of sperm capacitation process. Placebo-controlled, randomized, blind studies are necessary to unambiguously incorporate PDE5 inhibitors as an adjunct tool for the pharmaceutical treatment of semen disorders and male infertility. Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.